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Where to fish

  • Forecast
  • Catches

Mine

  • Favorites
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© 2026·AI-powered bite forecast
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United Kingdom / Powys / River Edw

Bite forecast: River Edw

  • length 9 km
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Best fishing days for the next week

  1. SundaySeptember 6weather-based forecast
    63/100high activity

    Cloudy: 12–19 °C

  2. WednesdaySeptember 9weather-based forecast
    62/100high activity

    Partly cloudy: 7–13 °C

  3. ThursdaySeptember 3weather-based forecast
    60/100high activity

    Cloudy: 15–19 °C

Nearby towns

  • Builth Wells3 mi
  • Llandrindod Wells7 mi
  • Llanwrtyd Wells12 mi

River Edw (Powys) — a popular fishing spot. About 9 km long. Close by — Builth Wells, Llandrindod Wells and Llanwrtyd Wells. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.

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Catches

Recorded 1 catch here. Most commonly caught: Brown trout. Peak season: August.

  • Brown trout
    River Edw
    22 °C7 mph
    Aug 10, 2020, 8:00 AM

Nearby rivers

  • Bachawy3 mi
  • River Arrow9 mi
  • Chwefri9 mi

Nearby water bodies

  • LakeLlan Bwch Llyn2 mi
  • LakePant y Llyn5 mi
  • LakeMonks' Pool5 mi
  • LakePencerrig Lake5 mi
  • LakeLlynheilyn7 mi
  • LakeBrechfa Pool7 mi
  • LakeLlyn Login7 mi
  • LakeThe Lake8 mi

Bite calendar

Thursday, September 3

Aug 31 – Sep 6
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Bite activity:highmediumlowslow
Based on:weatherseasonal
What is a bite calendar?

In the fish list, this icon marks species recorded here by GBIF. Unmarked species may still occur in the waterbody.

CarpWels catfishDaceEuropean eelGraylingPikeWhitefishBarbelBreamRuffeZanderAtlantic salmonBrown troutCrucian carpIdePerchRainbow troutChubRoachRuddTenchWhite breamBleak

Atlantic salmon

6/10 · Fair

Occurs in this waterbody — confirmed by observations. Source: GBIF

Hourly activity

0:006:0012:0018:0023:00
Bite activity:highmediumlow

The bite is strong — fish are active. Pressure is rising — activity tends to be more subdued.

Peak bite hours

Best time — 06:00–07:00 (dawn bite) and 19:00–21:00 (dusk bite).

Tactics

Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses.

Lures

The water's turning murky — go with bright, noisy lures: salmon spoon or salmon fly.

Gear

No special gear needed — seasonal clothing will do. Rain is expected — don't forget a rain jacket or a waterproof shell.

Summary

Worth going — it's a productive day.

How this forecast is calculated

Why this forecast

The computed water temperature is around 15 °C — warmer than the 4–14 °C comfort range for Atlantic salmon: in the heat it drops deeper and feeds less often.

Computed water temperature by month; the green band is the 4–14 °C comfort rangecomfort 4–14 °C15 °C
JFMAMJJASOND

Atlantic salmon works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.

The day: daylight hours and when Atlantic salmon feeds0:0012:0024:00

Pressure is dropping 2 hPa over the day — fish are usually more active ahead of a weather change.

Pressure through the day, 2 hPa change
00:00 · 101423:00 · 1012 hPa

One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.

Feeding windows on the day scale0:0012:0024:00

September is an active season for Atlantic salmon here.

JFMAMJJASOND

These are the same values the bite curve above was computed from. How the forecast works

3 SepThursday, September 3
+17°

Cloudy · feels like +17°

Low / high
+15°…+19°
Precipitation
0.0 mm
Wind
9 mph WSW
Cloud cover
100%
Humidity
83%
Pressure
1016 hPa
00:00+17°0.1 mm13 mphsouthwest wind, 13 mph97%91%
01:00+16°—11 mphsouthwest wind, 11 mph94%97%
02:00+16°—12 mphsouthwest wind, 12 mph93%100%
03:00+16°—13 mphwest wind, 13 mph93%100%
04:00+16°—14 mphwest wind, 14 mph93%100%
05:00+15°0.1 mm10 mphwest wind, 10 mph96%100%
06:00+15°0.3 mm12 mphwest wind, 12 mph95%100%
07:00+15°0.1 mm12 mphwest wind, 12 mph94%100%
08:00+15°—12 mphwest wind, 12 mph88%100%
09:00+16°—11 mphwest wind, 11 mph88%100%
10:00+17°—10 mphwest wind, 10 mph85%100%
11:00+17°—10 mphwest wind, 10 mph86%100%
12:00+17°—9 mphsouthwest wind, 9 mph83%100%
13:00+18°—11 mphsouthwest wind, 11 mph76%87%
14:00+19°—13 mphsouthwest wind, 13 mph69%80%
15:00+19°—13 mphsouthwest wind, 13 mph71%86%
16:00+19°—14 mphwest wind, 14 mph68%87%
17:00+19°—14 mphsouthwest wind, 14 mph70%81%
18:00+18°—15 mphwest wind, 15 mph71%75%
19:00+17°—14 mphsouthwest wind, 14 mph75%43%
20:00+16°—12 mphsouthwest wind, 12 mph80%100%
21:00+16°—10 mphsouthwest wind, 10 mph92%100%
22:00+16°0.9 mm11 mphsouthwest wind, 11 mph95%100%
23:00+15°1.5 mm7 mphsouthwest wind, 7 mph97%100%
+19°+17°+15°
Weather throughout the day
0:006:0012:0018:0023:00

Sun and moon

Thursday, September 3
The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
DaylightMoon above the horizon
Sunrise
06:27
Sunset
19:56
Day length
13 h 29 min
Sunshine hours
5 h 55 min
UV index
1
low
Moon
Last quarter
Moonrise
21:53
Moonset
14:41

The day is 4 min shorter than yesterday.

Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.

Solunar feeding periods

+11% in the windowThursday, September 3
Feeding windows on the day scale, local time0:0012:0024:00
Major periodsMinor periods
  • Major04:51–06:51Moon overhead
  • Minor14:11–15:11Moonset
  • Major17:20–19:20Moon underfoot
  • Minor21:23–22:23Moonrise

The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.

What are solunar periods?